What will be the compound interest on Rs. 4000 in two years when rate of interest is 5% per annum?

Asha got 86.875% marks in the annual examination. If she got 695 marks, find the total number of marks of the examination.

Rekha bought a saree for Rs 1240 and sold it for Rs 1147. Find her loss and loss percent.

A shop selling sewing machines offers 3% discount on all cash purchases. What cash amount does a customer pay for a sewing machine the price of which is marked as Rs. 650.

Shikha’s income is 60% more than that of Shalu. What percent is Shalu’s income less than Shikha’s?